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Showing: 1 to 10 of 5380 matches for "underground core drilling"
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| TITLE |
Roof Outbursting At A Canadian Bedded Salt Mine |
| SUMMARY |
... the second outburst, the Bureau research staff met with mine management to recommend
the initiation of a program of underground core drilling and detailed ... |
| AUTHOR |
Schatzel, Steven J. ; Dunsbier, Mark S. |
| PUBLISHED |
1989 |
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| TITLE |
History of the Getchell Gold Mine |
| SUMMARY |
... Underground core drilling in the Getchell under- ground ore body discovered new
reserves that were re- ferred to as the northwest ore shoots. ... |
| AUTHOR |
Horton, Robert C. |
| PUBLISHED |
1999 |
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| TITLE |
Dual-Tube Rotary Drilling Proves Fast and Economical |
| SUMMARY |
... "Core ramplv cost threc rinte,r as much as ... to relate chip position to specific
underground formations ... ability to maintain circulation even while drilling in cav ... |
| AUTHOR |
Bruner, Thomas E. |
| PUBLISHED |
1979 |
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| TITLE |
Multiple Level Room And Pillar Mining In Limestone |
| SUMMARY |
... in Tennessee, Anderson and Crab Orchard, extract rock from underground room and ... At
the same time core drilling indicated that as mining proceeded changing ... |
| AUTHOR |
Brann, R. W. ; Freas, R. C. |
| PUBLISHED |
2003 |
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| TITLE |
Underground or Open Pit? |
| SUMMARY |
... about 80 pct of development drilling was wet ... 1-ft intervals against the measured
core length, were ... revised between conventional Plateau underground mining and ... |
| AUTHOR |
Pruess, Robert C. ; Reynolds, C. H. |
| PUBLISHED |
1956 |
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| TITLE |
Longhole Stoping At The Golden Sunlight Mine |
| SUMMARY |
... Underground ore grade mineralization is encountered along the east and west edges
of the breccia pipe. Core drilling has delineat- ed the breccia pipe to a ... |
| AUTHOR |
Bogart, H. |
| PUBLISHED |
2004 |
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| TITLE |
Roof Bolter Drilling Parameters As A Tool For Strata Prediction |
| SUMMARY |
... on the local roof geology of an underground test area. ... with the roof bolter using
a core barrel with ... When drilling is completed, cores are retrieved from the ... |
| AUTHOR |
Mirabile, B. T. ; Peng, S. S. ; Holland, C. T. ; Luo, Y. ; Tang, D. |
| PUBLISHED |
2004 |
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| TITLE |
Sinking Large Diameter Mine Shafts By Rotary Drilling |
| SUMMARY |
... This 6-ft diam core drilling machine has successfully com- ... compact nature of the
equipment makes it adaptable for drilling between levels underground. ... |
| AUTHOR |
Zeni, Victor ; Williamson, Thomas N. |
| PUBLISHED |
1957 |
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| TITLE |
Underground "Mined Type" LPG Storage |
| SUMMARY |
... A feasibility study, including core drilling, is conducted to determine the suitability ...
essential to the design and construction of the underground excavation. ... |
| AUTHOR |
McCarthy, D. F. |
| PUBLISHED |
1981 |
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